CdTe nanoparticles for the deposition of CdTe films using close spaced sublimation

Schumm, Benjamin; Althues, Holger; Kaskel, Stefan

doi:10.1016/j.jcrysgro.2010.05.021

Cited by 6 publications

(3 citation statements)

References 17 publications

(16 reference statements)

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“…3-5. The XRD pattern reveals that all the deposited films on both types of substrates are polycrystalline in nature as reported earlier for glass substrates [15]. The (111) peak corresponds to phase of polycrystalline structure of CdTe.…”

Section: Structural Propertiessupporting

confidence: 75%

Comparison of Structural Properties of Thermally Evaporated CdTe Thin Films on Different Substrates

Tariq

Anis-ur-Rehman

2012

KEM

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The direct energy band gap in the range of ~1.5eV and the high absorption coefficient (~105cm-1) makes Cadmium Telluride (CdTe) a suitable material for fabrication of thin film solar cells. Thin film solar cells based on CdTe (~ 1cm area) achieved efficiency of 15.6% on a laboratory scale. CdTe thin films were deposited by thermal evaporation technique under vacuum 2×10-5mbar on glass and stainless steel (SS) substrates. During deposition substrates temperature was kept same at 200C for all samples. The structural properties were determined by the X-ray Diffraction (XRD) patterns. All samples exhibit polycrystalline nature. Dependence of different structural parameters such as lattice parameter, micro strain, and grain size and dislocation density on thickness was studied. Also the influence of the different substrates on these parameters was investigated. The analysis showed that the preferential orientation of films was dependent on the substrate type.

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Section: Structural Propertiessupporting

confidence: 75%

Comparison of Structural Properties of Thermally Evaporated CdTe Thin Films on Different Substrates

Tariq

Anis-ur-Rehman

2012

KEM

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“…To our knowledge, the preparation of SnS thin films by close-spaced sublimation (CSS) using SnS powder as a source has not been reported. And close-spaced sublimation (CSS) was a cost-effective and non-wet thin film deposition technique, by which highly uniform and pore-free films that were strongly adherent to the substrate surface can be prepared due to the high kinetic energy of the incoming atoms [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Preparation of SnS Thin Films by Close-Spaced Sublimation at Different Source Temperatures

Zhan

Shi

Shen

et al. 2012

AMR

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In this paper, thin films of tin monosulfide (SnS) were successfully prepared by close-spaced sublimation (CSS) on the source temperature of 650 °C and 720 °C using SnS powder as a source. The influence of the source temperature on the chemical composition, crystal structure, surface morphology, and direct band gap of SnS thin films was systemically investigated by energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), scanning electron microscope (SEM), UV-Vis-NIR absorption spectra, respectively. The results showed that the SnS grain size increased from 3 μm to 20 μm by increase of the source temperature from 650 °C to 720 °C. The direct band gaps of SnS thin films prepared at different source temperatures 650 °C and 720 °C were 1.21 and 1.15 eV, respectively.

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“…CdTe was one of the promising photovoltaic absorber materials due to the optimum band gap of 1.5 eV for the efficient photoelectric conversion, high optical absorption coefficient and successful development of high efficiency solar cells and modules [1]. A widely used technique for the deposition of the CdTe absorber layer was the close spaced sublimation (CSS) because the close-spaced sublimation (CSS) was a relatively inexpensive technique for deposition of polycrystalline thin-films due to the moderate operating pressure, simple configuration and high growth rates [2][3][4][5]. Source temperature, substrate temperature and deposited pressure can influence the chemical composition, microstructure and property of CdTe thin films.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Source Temperature on Properties of CdTe Thin Films by Close-Spaced Sublimation

Shen

Shi

Zhan

et al. 2012

AMR

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In this paper，CdTe thin films were successfully grown at higher source temperatures of 650 °C and 700 °C using close-spaced sublimation(CSS) and characterized by energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), scanning electron microscope (SEM), UV-Vis-NIR absorption spectra, respectively. The results indicated that the grain size of CdTe thin film increased from 1 μm to 5 μm with the increase of the source temperature from 650 °C to 700 °C. The direct band gaps of CdTe thin films prepared at different source temperatures of 650 °C and 700 °C were 1.44 and 1.43 eV, respectively.

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CdTe nanoparticles for the deposition of CdTe films using close spaced sublimation

Cited by 6 publications

References 17 publications

Comparison of Structural Properties of Thermally Evaporated CdTe Thin Films on Different Substrates

Comparison of Structural Properties of Thermally Evaporated CdTe Thin Films on Different Substrates

Preparation of SnS Thin Films by Close-Spaced Sublimation at Different Source Temperatures

Influence of the Source Temperature on Properties of CdTe Thin Films by Close-Spaced Sublimation

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